Tiger cubs take first dip before going on display

Two Sumatran tiger cubs at Washington's Smithsonian National Zoo clear a mandatory aquatic exam administered before they can go on public display.

http://www.wkyc.com/video/2816222241001/1/Tiger-cubs-take-first-dip-before-going-on-displayhttp://bc_gvpc.edgesuite.net/img/963482463001/201311/2634/963482463001_2816178819001_thumbnail-for-video-2816174353001.jpg?pubId=963482463001Tiger cubs take first dip before going on displayTwo Sumatran tiger cubs at Washington's Smithsonian National Zoo clear a mandatory aquatic exam administered before they can go on public display.Water TestWashington National Zootiger cubsswimReutersvpcNational Newsaquatic exam01:15